POSSIBILITY THAT WHEELS ARE SUBJECT TO A CIRCUMFERENTIAL CRACK IN THE CENTER OFWELD OF THE RIM TO THE DISC NEAR THE RIM GUTTER AREA.WHEELS WHICH CONTAINTHIS CONDITION, ARE LIABLE TO CONTINUE TO CRACK AND EVENTUALLY SEPARATE THE RIMFROM DISC ALONG ITS ATTACHMENT WELD.IF THIS OCCURS WHILE VEHICLE IS INMOTION, THE DRIVER COULD LOSE CONTROL OF THE VEHICLE.(CORRECT BY INSPECTINGAND REPLACING WHEEL WHERE NECESSARY).